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12630452 = 223157613
BaseRepresentation
bin110000001011…
…100110110100
3212202200201112
4300023212310
511213133302
61130414152
7212233322
oct60134664
925680645
1012630452
11714749a
124291358
132802c53
14196ad12
151197552
hexc0b9b4

12630452 has 6 divisors (see below), whose sum is σ = 22103298. Its totient is φ = 6315224.

The previous prime is 12630407. The next prime is 12630461. The reversal of 12630452 is 25403621.

It can be written as a sum of positive squares in only one way, i.e., 7639696 + 4990756 = 2764^2 + 2234^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578803 + ... + 1578810.

It is an arithmetic number, because the mean of its divisors is an integer number (3683883).

Almost surely, 212630452 is an apocalyptic number.

It is an amenable number.

12630452 is a deficient number, since it is larger than the sum of its proper divisors (9472846).

12630452 is a wasteful number, since it uses less digits than its factorization.

12630452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157617 (or 3157615 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12630452 is about 3553.9347208411. The cubic root of 12630452 is about 232.8839887392.

The spelling of 12630452 in words is "twelve million, six hundred thirty thousand, four hundred fifty-two".

Divisors: 1 2 4 3157613 6315226 12630452